The 2006 Howell Mountain Challenge is now open for registration (yeah, I'm a little late on this). The event, organized by the same people that bring us the Dirt Valley Classic, is billed as a "10 mile circuit, hilly, smooth to medium-rough trails, service roads, double track and single track, lots of trees.... fun course." It is also located in Angwin, CA and will operate under NORBA rules.
This XC race will consist of multiple laps, depending on your racing category. Beginners will do one lap, Sport will two laps and Expert/Pros will do three laps.
Event: Howell Mountain Challenge
Dates: August 13th, 2006 (10:30 AM)
Location: Angwin, CA (Near Calistoga, CA)
Cost: $30 ($35 after Aug 6th)
UPDATE (08/13/06): Here's my race report.
UPDATE (08/14/06): Here are the official results.